Ubuntu 4058-1: Bash vulnerability

    Date15 Jul 2019
    1514
    Posted ByLinuxSecurity Advisories
    A system hardening measure could be bypassed.
    ==========================================================================
    Ubuntu Security Notice USN-4058-1
    July 15, 2019
    
    bash vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    
    Summary:
    
    A system hardening measure could be bypassed.
    
    Software Description:
    - bash: GNU Bourne Again SHell
    
    Details:
    
    It was discovered that Bash incorrectly handled the restricted shell. An
    attacker could possibly use this issue to escape restrictions and execute
    any command.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      bash                            4.3-14ubuntu1.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4058-1
      CVE-2019-9924
    
    Package Information:
      https://launchpad.net/ubuntu/+source/bash/4.3-14ubuntu1.4
    
    

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